Empty out your plate, then fill it with water again, and add some more oil. Plac

Question

Empty out your plate, then fill it with water again, and add some more oil. Place two sorbent pads (cotton/gauze) on the surface, and drag them around gently with your fingers (or tweezers). Remove the sorbent pads. How well did the sorbent pads soak up the oil? Remove the sorbent pads, add a little more oil if necessary, then sprinkle some dried grass clippings (to simulate straw) onto the oily surface. Gently move the grass clippings around, then remove them. How well did the grass clippings soak up the oil?

Explanation / Answer

5. ANS: According to the given situation the sorbent pads are heavy, so they soaked up the oil pretty good.

6. ANS: In this situation the grass clippings is absorbing the oil but we cannot tell if it is absorbing water or the oil.

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